../code/conceptPage.scroll id elephant name Elephant 2000 appeared 1989 creators John McCarthy tags pl description A Programming Language Based on Speech Acts. Elephant 2000 is a vehicle for some ideas about programming language features. We expect these features to be valuable in writing and verifying programs that interact with people (e.g. transaction processing) or interact with programs belonging to other organizations (e.g. electronic data interchange). paper https://www-formal.stanford.edu/jmc/elephant.pdf